What should i do lf there is no sound from the unit or no sound when connected to an external device?

1. Make sure the adapter on the receiver is well connected to your device or remove the adapter and wipe the charging contacts with a clean cloth.

2. Make sure the mic gain is not turned to minimum.

3. Make sure the unit is not muted.

What if the sound of the unit is too low or too loud or even distorted?

Adjust mic gain to the suitable level for recording in the current environment to improve the recording effect.

Current noise or other abnormal noise appears during monitoring?

Make sure there is no interference near the unit. If the noise still exists after changing the unit's position, please contact seller.

The operating range of the unit is limited and the sound is frequently intermittent?

Make sure there is no interference between the transmitter and receiver. If the intermittent sound still occurs frequently, please contact seller.

Unable to charge the transmitter(s) or receiver via the charging case?

1. Make sure charging contacts of both are in full contact. Wipe the charging contacts with a clean cloth and try again.

2. Press TX/RX placed in charging box to check whether in charging state. lf TX or RX still failed to charge, pls contact seller.